---
id: "T:cAlgo.API.BacktestingDataSourceDataType"
kind: "enum"
namespace: "cAlgo.API"
url: "https://help.ctrader.com/ctrader-algo/references/Plugin/Backtesting/DataSource/BacktestingDataSourceDataType/"
---

> Documentation index for agents: https://help.ctrader.com/ctrader-algo/llms.txt · machine index: https://help.ctrader.com/ctrader-algo/api.json

# BacktestingDataSourceDataType (enum)

Specifies the different data types for backtesting data source.

Environments: Desktop supported · CLI not supported · Cloud not supported.

- CLI: Available to plugins only, and plugins cannot run in the CLI.
- Cloud: Available to plugins only, and plugins cannot run in the cloud.

## Definition

```csharp
public enum BacktestingDataSourceDataType
```

Available since cAlgo.API 5.3.

## Examples

C#:

```csharp
var supportedDataTypes = BacktestingDataSourceDataType.Tick | BacktestingDataSourceDataType.M1OpenPrices;
Print("Supports ticks: {0}", supportedDataTypes.HasFlag(BacktestingDataSourceDataType.Tick));
```

Python:

```python
supportedDataTypes = BacktestingDataSourceDataType.Tick | BacktestingDataSourceDataType.M1OpenPrices
api.Print(f"Supports ticks: {supportedDataTypes.HasFlag(BacktestingDataSourceDataType.Tick)}")
```

## Values

- `BacktestingDataSourceDataType.Tick` — Tick data type.
- `BacktestingDataSourceDataType.M1OpenPrices` — Minute OHLCV open prices.
- `BacktestingDataSourceDataType.OpenPrices` — TimeFrame OHLCV open prices.